When you get into the field of creating a web site, you are basically doing web development. There are several things that you can do to improve your performance within this field. Keep in mind that different browsers would always have different specifications but you can always try to put up a default style in case you need to go back and forth from one browser to another. This should help you do your editing easier and no sweat.
Getting browser development plug-ins such as Firebug and YSlow for Firefox, and Internet Explorer Developer Toolbar for IE. They should help you a lot in getting a better view of your web site, literally and figuratively. JavaScript is also something that you might want to master. It has become a vital tool for all web developers as more started to use it. If you can, pick a JavaScript framework and learn it to manipulate things in there.
